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Article Dans Une Revue Experiments in Fluids Année : 2007

Rainbow refractometry on particles with radial refractive index gradients

Résumé

The rainbow refractrometry, under its different configurations (classical and global), is an attractive technique to extract information from droplets in evaporation such as diameter and temperature. Recently a new processing strategy has been developed which increases dramatically the size and refractive index measurements accuracy for homogeneous droplets. Nevertheless, for mono component as well as for multicomponent droplets, the presence of temperature and/or of concentration gradients induce the presence of a gradient of refractive index which affects the interpretation of the recorded signals. In this publication, the effect of radial gradient on rainbow measurements with a high accuracy never reached previously is quantified.

Dates et versions

hal-04316039 , version 1 (30-11-2023)

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Sawitree Saengkaew, Tawatchai Charinpanitkul, Hathaichanok Vanisri, Wiwut Tanthapanichakoon, Yves Biscos, et al.. Rainbow refractometry on particles with radial refractive index gradients. Experiments in Fluids, 2007, 43 (4), pp.595-601. ⟨10.1007/s00348-007-0342-y⟩. ⟨hal-04316039⟩
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